YOU SAID:
I've only eaten bread since yesterday
INTO JAPANESE
昨日からパンしか食べていません
BACK INTO ENGLISH
I've only eaten bread since yesterday.
INTO JAPANESE
私は昨日からパンしか食べていません。
BACK INTO ENGLISH
I have only eaten bread since yesterday.
INTO JAPANESE
私は昨日からパンしか食べていません。
BACK INTO ENGLISH
I have only eaten bread since yesterday.
That didn't even make that much sense in English.